Tiernandpr Tiernandpr
  • 24-11-2016
  • Mathematics
contestada

A student scores 73 out of 100 on a test. If the maximum score on the next test is also 100 points, what score does the student need to maintain at least an average of 78?

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Monica2050 Monica2050
  • 24-11-2016
The student will need at least an 83 out of 100 to maintain an average of 78.
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syed514
syed514 syed514
  • 26-11-2016
(73 +x)/2 = 78Solve for x
73+x/2=7873x+2=78×273+x=156x=83
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